package src.lab01;

/**
 * Created by 12442 on 2017/10/9.
 */
public class Test05 {
    public static void main(String[] args) {
    //for
    int n=100;
    int sum1=0;
    for (int i=1;i<=n;i++)
        sum1+=i;
    System.out.println(sum1);
    //while
    int m=100;
    int k=1,sum2=0;
    while (k<=m){
        sum2=sum2+k;
    }
    System.out.println(sum2);
    //do......while
    int x=1,sum3=0;
    int y=100;
    do {
        System.out.println(sum3=sum3+x);
    }
    while (x<=y);
}
}
